/*
 * Copyright (c) 2015 David Boissier
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.codinjutsu.tools.nosql.mongo.model;

import com.mongodb.DBObject;
import com.mongodb.util.JSON;

interface OperatorValueConverter<T> {

    T convert(String operatorValue);


    public static OperatorValueConverter integerValueConverter = new OperatorValueConverter<Integer>() {

        @Override
        public Integer convert(String operatorValue) {
            return Integer.valueOf(operatorValue);
        }
    };

    public static OperatorValueConverter stringValueConverter = new OperatorValueConverter<String>() {

        @Override
        public String convert(String operatorValue) {
            return operatorValue;
        }
    };

    public static OperatorValueConverter jSONValueConverter = new OperatorValueConverter<DBObject>() {

        @Override
        public DBObject convert(String operatorValue) {
            return (DBObject) JSON.parse(operatorValue);
        }
    };
}
